Blackbox Journal

Your private journaling sanctuary — fully offline, fully you.

Blackbox Journal is your safe space to reflect, express, and grow. No cloud syncing. No accounts. No data ever leaves your device.

Journal your way
- Write with text or record your voice
- Add photos to entries
- Use our Brain Dump mode to unload freely

Understand your emotions
- Mood tracking powered by on-device AI
- Automatic mood analysis using your journal entries
- Insights stay 100% private — nothing leaves your phone

Affirm with intention
- Curated affirmations by category: confidence, gratitude, growth, and more
- Pick the energy you want to focus on today

Get unstuck
- Daily writing prompts to spark inspiration
- Guided topics to reflect deeper, faster

Make it yours
- Choose from beautiful gradients and themes
- Customize buttons, backgrounds, and layout

Your thoughts. Your data. Your rules.
Blackbox Journal puts control back in your hands — no logins, no tracking, just mindful journaling your way.